Rotary 1065 PK3 Riding Mower Blades - 13-7/8" X 5/8" Part number 1065 - Pack of 3 Replaces: Gravely: 014668, 034984, 03498400, 03498451, 14668, 34984, 3498451 Windsor: 50-1550, 50-1555 Fits: Ariens: Mini-Zoom, Zoom, 3 for 40"; Gravely: 3 for 40", Pro Series Length: 13-7/8""; Center Hole Diameter: 5/8"; Thickness: 0.2040"; Width: 2"